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Finding the Fourth Proportional to 574,838.01, 793,244.64 and 316,664.20

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Solution

The fourth proportional to 574,838.01, 793,244.64 and 316,664.20 is: 436,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,838.01 : 793,244.64 = 316,664.20 : x
  2. Step 2: Convert to fraction form
    574,838.01/793,244.64 = 316,664.20/x
  3. Step 3: Cross multiply
    574,838.01x = 793,244.64 × 316,664.20
  4. Step 4: Simplify right side
    574,838.01x = 251,192,179,329.89
  5. Step 5: Solve for x
    x = 251,192,179,329.89/574,838.01
  6. Step 6: Final answer
    x = 436,979.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.